Finding the Fourth Proportional to 354,821,827.20, 532,232,740.80 and 350,044,252.80
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Solution
The fourth proportional to 354,821,827.20, 532,232,740.80 and 350,044,252.80 is: 525,066,379.20
Step by Step Solution
- Step 1: Write the proportion equation
354,821,827.20 : 532,232,740.80 = 350,044,252.80 : x - Step 2: Convert to fraction form
354,821,827.20/532,232,740.80 = 350,044,252.80/x - Step 3: Cross multiply
354,821,827.20x = 532,232,740.80 × 350,044,252.80 - Step 4: Simplify right side
354,821,827.20x = 186,305,012,069,032,096 - Step 5: Solve for x
x = 186,305,012,069,032,096/354,821,827.20 - Step 6: Final answer
x = 525,066,379.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.